/***************************************************************************//**
 * @file CGI/VisitorFindNode.cpp
 * @author  Marek M. Cel <marekcel@mscsim.org>
 *
 * @section LICENSE
 *
 * Copyright (C) 2013 Marek M. Cel
 *
 * This file is part of MScSim. You can redistribute and modify it under
 * the terms of GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Further information about the GNU General Public License can also be found
 * on the world wide web at http://www.gnu.org.
 ******************************************************************************/
#ifndef VISITOR_FIND_NODE_CPP
#define VISITOR_FIND_NODE_CPP
#endif

////////////////////////////////////////////////////////////////////////////////

#include <CGI/VisitorFindNode.h>

////////////////////////////////////////////////////////////////////////////////

VisitorFindNode::VisitorFindNode() :
    osg::NodeVisitor( TRAVERSE_ALL_CHILDREN )
{
    m_searchName = "";
    m_foundedNodesList.clear();
}

////////////////////////////////////////////////////////////////////////////////

VisitorFindNode::VisitorFindNode( const std::string &searchName ) :
    osg::NodeVisitor( TRAVERSE_ALL_CHILDREN )
{
    m_searchName = searchName;
    m_foundedNodesList.clear();
}

////////////////////////////////////////////////////////////////////////////////

void VisitorFindNode::apply( osg::Node &searchNode )
{
    if ( m_searchName == searchNode.getName() )
    {
        osg::ref_ptr<osg::Node> tempNode = &searchNode;

        m_foundedNodesList.push_back( tempNode.get() );
    }

    traverse( searchNode );
}

////////////////////////////////////////////////////////////////////////////////

osg::ref_ptr<osg::Node> VisitorFindNode::getFirstNode()
{
    if ( m_foundedNodesList.empty() )
    {
        return NULL;
    }
    else
    {
        return m_foundedNodesList[ 0 ];
    }
}
